![](https://news.europawire.eu/wp-content/uploads/2018/11/Empa-and-EPFL-develop-novel-face-mask-for-medical-personnel-with-unobstructed-view-of-the-wearer’s-facial-expressions-144x144.jpg)
Novel protective mask for medical personnel Dübendorf, Switzerland, 05-Nov-2018 — /EuropaWire/ — Laughter is the best medicine, says medical research. But how are patients supposed to feel like smiling if the faces of the nursing staff and even their beloved ones … Read the full press release